Kenosha County, Wisconsin
21 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Monitoring figures for Kenosha County indicate average water quality overall — some ZIP codes among the 21 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Kenosha County Compares
How Kenosha County Compares
Kenosha County scores 1 points above the Wisconsin state average (66/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Kenosha County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13 (asthma 11%, diabetes 11.4%)
Estimated additional annual cost per homeowner: $963, driven primarily by flood
Infrastructure: 0.394% avg pipe failure probability, 47% of ZIPs at high risk
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Kenosha County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 30 violations. Past 5 years: 55 total (55 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $963
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Kenosha County
Remediation costs are relatively manageable for most homeowners in Kenosha County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Kenosha County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Kenosha County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Prairie Apts 1 & 2 | 150 | 166 |
| 2 | Prairie Apts 3 & 4 | 125 | 166 |
| 3 | Lakewood Village Apts | 125 | 155 |
| 4 | Kenosha Water Utility | 99,218 | 154 |
| 5 | Eagle Chateau Apts | 125 | 145 |
25 total water systems serve Kenosha County.
All ZIP Codes in Kenosha County
21 ZIP codes tracked in Kenosha County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 53159 | Powers Lake | 83 | B | 0 | — |
| 2 | 53171 | Somers | 82 | B | 3 | — |
| 3 | 53181 | Twin Lakes | 81 | B | 10 (2 health) | $271K |
| 4 | 53104 | Bristol | 79 | B | 2 | $293K |
| 5 | 53158 | Pleasant Prairie | 76 | B | 7 (2 health) | $349K |
| 6 | 53199 | Silver Lake | 73 | B | 13 (2 health) | — |
| 7 | 53179 | Trevor | 72 | B | 3 (1 health) | $266K |
| 8 | 53170 | Silver Lake | 70 | B | 13 (2 health) | $259K |
| 9 | 53140 | Kenosha | 69 | C | 29 (7 health) | $191K |
| 10 | 53141 | Kenosha | 69 | C | 29 (7 health) | — |
| 11 | 53142 | Kenosha | 69 | C | 29 (7 health) | $254K |
| 12 | 53143 | Kenosha | 69 | C | 29 (7 health) | $187K |
| 13 | 53144 | Kenosha | 64 | C | 29 (7 health) | $248K |
| 14 | 53109 | Camp Lake | 63 | C | 0 | — |
| 15 | 53168 | Salem | 63 | C | 21 (7 health) | $290K |
| 16 | 53101 | Bassett | 53 | D | 0 | — |
| 17 | 53102 | Benet Lake | 53 | D | 0 | — |
| 18 | 53152 | New Munster | 53 | D | 0 | — |
| 19 | 53192 | Wilmot | 53 | D | 0 | — |
| 20 | 53194 | Woodworth | 53 | D | 0 | — |
| 21 | 54927 | Butte Des Morts | 53 | D | 0 | $236K |
Recommended Buyer Guides for Kenosha County
Below: editorial picks, no sponsored placements.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Kenosha County, Wisconsin
Overview
Kenosha County in Wisconsin covers 21 ZIP codes with an average Home Safety Score of C (67/100).
13 of 21 ZIP codes have recorded EPA violations. 51 health-based violations have been documented.
← Back to Wisconsin water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.